Dyfyniad APA

(1996). Agriculture fact book 1996. Washington, DC: Office of Communications, U.S. Dept. of Agriculture.

Dyfyniad Arddull Chicago

Agriculture Fact Book 1996. Washington, DC: Office of Communications, U.S. Dept. of Agriculture, 1996.

Dyfyniad MLA

Agriculture Fact Book 1996. Washington, DC: Office of Communications, U.S. Dept. of Agriculture, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.